The GameMastery line of products from Paizo Inc. provided tools to help busy tabletop roleplaying Game Masters prepare for adventures. Many of the GameMastery lines were later rebranded as Pathfinder product lines, including the GameMastery Cards, Flip-Mat, Map Pack, and Modules lines.
- GameMastery Cards, visual or mechanical aids in the form of playing card-sized decks
- GameMastery Encounters, a line that combined pewter miniatures and map pack-style maps with an authored OGL encounter
- GameMastery Flip-Mat, dry-erase foldable maps
- GameMastery Map Pack, markable packs of 5"-by-8" maps
- GameMastery Modules, standalone adventures